Experimental Physics and Industrial Control System
On 3/19/19 7:50 PM, Michael Davidsaver wrote:
...
> Uses a Channel Access list
Of course I should have typed 'Channel Access link'.
> to process '$(P)INC' each time '$(P)WATCH' changes.
> This can be extended with additional inputs INPB ...
>
>
> On 3/19/19 5:42 PM, Neil Hamilton Jr via Tech-talk wrote:
>> Hey all,
>> I'm trying to create a calc record that looks at previous values to increment a count. See below
>> record(calc, "RESULT_A")
>> {
>> field(SCAN, ".05 second")
>> field(INPH, "RESULT_A.LG")
>> field(INPA, "RESULTINPA")
>> field(INPC, "RESULTINPC")
>> field(INPB, "RESULT.LA <http://RESULT.LA>")
>> field(INPE, "RESULTINPE")
>> field(INPD, "RESULT.LC <http://RESULT.LC>")
>> field(INPG, "RESULTINPG")
>> field(INPF, "RESULT_A.LE")
>> field(CALC, "A#B?1:0+C#D?1:0+E#F?1:0+G#H?1:0")
>> }
>>
>> If I change B to LA in the calc string above I get this error during dbLoadRecords
>> RESULT_A.CALC: Syntax error, unknown operator/operand in expression "A#LA?1:0+C#D?1:0+E#F?1:0+G#H?1:0"
>>
>> First I'd like to ask if the 'last' fields are usable this way. From the record reference manual it appears they are. Second, does anyone have a better way of just incrementing a count anytime the inputs change? Any help is very much appreciated.
>>
>> Neil Hamilton Jr
>
- References:
- R3.15.6 calc string doesn't accept LA, LB, LC, etc...? Neil Hamilton Jr via Tech-talk
- Re: R3.15.6 calc string doesn't accept LA, LB, LC, etc...? Michael Davidsaver via Tech-talk
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